Home / 19,302.26-26,636.87-10,918.76

Finding the Fourth Proportional to 19,302.26, 26,636.87 and 10,918.76

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Solution

The fourth proportional to 19,302.26, 26,636.87 and 10,918.76 is: 15,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.26 : 26,636.87 = 10,918.76 : x
  2. Step 2: Convert to fraction form
    19,302.26/26,636.87 = 10,918.76/x
  3. Step 3: Cross multiply
    19,302.26x = 26,636.87 × 10,918.76
  4. Step 4: Simplify right side
    19,302.26x = 290,841,536.09
  5. Step 5: Solve for x
    x = 290,841,536.09/19,302.26
  6. Step 6: Final answer
    x = 15,067.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.